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The Single UNIX &reg; Specification, Version 2<br>
Copyright &copy; 1997 The Open Group

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<h4><a name = "tag_000_007_660">&nbsp;</a>NAME</h4><blockquote>
mktemp - make a unique filename
</blockquote><h4><a name = "tag_000_007_661">&nbsp;</a>SYNOPSIS</h4><blockquote>
<pre><code>

#include &lt;<a href="stdlib.h.html">stdlib.h</a>&gt;

char *mktemp(char *<i>template</i>);
</code>
</pre>
</blockquote><h4><a name = "tag_000_007_662">&nbsp;</a>DESCRIPTION</h4><blockquote>
The
<i>mktemp()</i>
function replaces the contents of the string pointed to by <i>template</i> by a
unique filename and returns <i>template</i>.  The application must initialise
<i>template</i> to be a filename with six trailing 'X's;
<i>mktemp()</i>
replaces each 'X' with a single byte character from the portable filename
character set.
</blockquote><h4><a name = "tag_000_007_663">&nbsp;</a>RETURN VALUE</h4><blockquote>
The
<i>mktemp()</i>
function returns the pointer <i>template</i>.  If a unique name cannot be
created, <i>template</i> points to a null string.
</blockquote><h4><a name = "tag_000_007_664">&nbsp;</a>ERRORS</h4><blockquote>
No errors are defined.
</blockquote><h4><a name = "tag_000_007_665">&nbsp;</a>EXAMPLES</h4><blockquote>
None.
</blockquote><h4><a name = "tag_000_007_666">&nbsp;</a>APPLICATION USAGE</h4><blockquote>
Between the time a pathname is created and the file opened, it is possible for
some other process to create a file with the same name.  The
<i><a href="mkstemp.html">mkstemp()</a></i>
function avoids this problem.
<p>
For portability with previous versions of this document,
<i><a href="tmpnam.html">tmpnam()</a></i>
is preferred over this function.
</blockquote><h4><a name = "tag_000_007_667">&nbsp;</a>FUTURE DIRECTIONS</h4><blockquote>
None.
</blockquote><h4><a name = "tag_000_007_668">&nbsp;</a>SEE ALSO</h4><blockquote>
<i><a href="mkstemp.html">mkstemp()</a></i>,
<i><a href="tmpfile.html">tmpfile()</a></i>,
<i><a href="tmpnam.html">tmpnam()</a></i>,
<i><a href="stdlib.h.html">&lt;stdlib.h&gt;</a></i>.
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UNIX &reg; is a registered Trademark of The Open Group.<br>
Copyright &copy; 1997 The Open Group
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